Glass composition for sealing
Disclosed is a sealing glass composition substantially not containing B2O3 or Al2O3, which is a high-strength, high-expansive crystallizing glass composition that can be used at high temperatures of not less than 950° C. The composition substantially not containing boron oxide, alkali metal oxides o...
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| creator | Maeda Kozo Mayumi Yoshitaka |
| description | Disclosed is a sealing glass composition substantially not containing B2O3 or Al2O3, which is a high-strength, high-expansive crystallizing glass composition that can be used at high temperatures of not less than 950° C. The composition substantially not containing boron oxide, alkali metal oxides or aluminum oxide, but containing, in mol %, SiO2: 40-55, BaO: 18-35, TiO2+ZrO2: 0.1-10, ZnO: 0-15, CaO: 0-20, MgO: 0-9, SrO: 0-5, and La2O3: 0-2, wherein the total content of RO (R: Mg, Ca, Sr, Ba and Zn) is at least 44 mol %, and wherein the glass composition, when fired in the form of glass powder at a temperature of 850-1050° C, turns into a crystallized glass that exhibits a thermal expansion coefficient of 90-150×10−7/° C. in the range of 50-850° C. |
| format | Patent |
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The composition substantially not containing boron oxide, alkali metal oxides or aluminum oxide, but containing, in mol %, SiO2: 40-55, BaO: 18-35, TiO2+ZrO2: 0.1-10, ZnO: 0-15, CaO: 0-20, MgO: 0-9, SrO: 0-5, and La2O3: 0-2, wherein the total content of RO (R: Mg, Ca, Sr, Ba and Zn) is at least 44 mol %, and wherein the glass composition, when fired in the form of glass powder at a temperature of 850-1050° C, turns into a crystallized glass that exhibits a thermal expansion coefficient of 90-150×10−7/° C. in the range of 50-850° C.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS ; CHEMISTRY ; ELECTRICITY ; GLASS ; JOINING GLASS TO GLASS OR OTHER MATERIALS ; METALLURGY ; MINERAL OR SLAG WOOL ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS ; SURFACE TREATMENT OF GLASS</subject><creationdate>2017</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171017&DB=EPODOC&CC=US&NR=9790123B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20171017&DB=EPODOC&CC=US&NR=9790123B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Maeda Kozo</creatorcontrib><creatorcontrib>Mayumi Yoshitaka</creatorcontrib><title>Glass composition for sealing</title><description>Disclosed is a sealing glass composition substantially not containing B2O3 or Al2O3, which is a high-strength, high-expansive crystallizing glass composition that can be used at high temperatures of not less than 950° C. The composition substantially not containing boron oxide, alkali metal oxides or aluminum oxide, but containing, in mol %, SiO2: 40-55, BaO: 18-35, TiO2+ZrO2: 0.1-10, ZnO: 0-15, CaO: 0-20, MgO: 0-9, SrO: 0-5, and La2O3: 0-2, wherein the total content of RO (R: Mg, Ca, Sr, Ba and Zn) is at least 44 mol %, and wherein the glass composition, when fired in the form of glass powder at a temperature of 850-1050° C, turns into a crystallized glass that exhibits a thermal expansion coefficient of 90-150×10−7/° C. in the range of 50-850° C.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</subject><subject>CHEMISTRY</subject><subject>ELECTRICITY</subject><subject>GLASS</subject><subject>JOINING GLASS TO GLASS OR OTHER MATERIALS</subject><subject>METALLURGY</subject><subject>MINERAL OR SLAG WOOL</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</subject><subject>SURFACE TREATMENT OF GLASS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB1z0ksLlZIzs8tyC_OLMnMz1NIyy9SKE5NzMnMS-dhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGhwZbmlgaGRsZORsZEKAEAmUYkDA</recordid><startdate>20171017</startdate><enddate>20171017</enddate><creator>Maeda Kozo</creator><creator>Mayumi Yoshitaka</creator><scope>EVB</scope></search><sort><creationdate>20171017</creationdate><title>Glass composition for sealing</title><author>Maeda Kozo ; Mayumi Yoshitaka</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9790123B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2017</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS</topic><topic>CHEMISTRY</topic><topic>ELECTRICITY</topic><topic>GLASS</topic><topic>JOINING GLASS TO GLASS OR OTHER MATERIALS</topic><topic>METALLURGY</topic><topic>MINERAL OR SLAG WOOL</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS</topic><topic>SURFACE TREATMENT OF GLASS</topic><toplevel>online_resources</toplevel><creatorcontrib>Maeda Kozo</creatorcontrib><creatorcontrib>Mayumi Yoshitaka</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Maeda Kozo</au><au>Mayumi Yoshitaka</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Glass composition for sealing</title><date>2017-10-17</date><risdate>2017</risdate><abstract>Disclosed is a sealing glass composition substantially not containing B2O3 or Al2O3, which is a high-strength, high-expansive crystallizing glass composition that can be used at high temperatures of not less than 950° C. The composition substantially not containing boron oxide, alkali metal oxides or aluminum oxide, but containing, in mol %, SiO2: 40-55, BaO: 18-35, TiO2+ZrO2: 0.1-10, ZnO: 0-15, CaO: 0-20, MgO: 0-9, SrO: 0-5, and La2O3: 0-2, wherein the total content of RO (R: Mg, Ca, Sr, Ba and Zn) is at least 44 mol %, and wherein the glass composition, when fired in the form of glass powder at a temperature of 850-1050° C, turns into a crystallized glass that exhibits a thermal expansion coefficient of 90-150×10−7/° C. in the range of 50-850° C.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY ELECTRICITY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS |
| title | Glass composition for sealing |
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